[Koha] Update for Demo page on https://koha-community.org/demo/

Hi, can the version for the Equinox Open Library Initiative demo server be updated to 21.05 on the Demo page at https://koha-community.org/demo/ <https://koha-community.org/demo/> ? Thanks Jason -- Jason Boyer Senior System Administrator Equinox Open Library Initiative JBoyer@equinoxOLI.org +1 (877) Open-ILS (673-6457) https://equinoxOLI.org/